The #270 Carbide Cutter is for 250UL Uni-Seal Ultra or 250-1 Stem 3″, (75mm) length for 1/4″ (6mm) injuries. Works great cleaning out and preparing the injury for the Uni-Seal Ultra.
The #271 Carbide Cutter is for 251UL Uni-Seal Ultra or 251-1 Stem 3″, (75mm) length for 5/16″ (8mm) injuries. Works great cleaning out and preparing the injury for the Uni-Seal Ultra.